Insulation joint
By designing the male and female connectors, filter elements, and sleeve structure of the insulated joint, the problems of torque-induced slippage and impurity damage in gas pipeline joints are solved, achieving a stable connection and impurity filtration, thereby improving the safety of the gas system and the service life of the water heater.
Patent Information
- Application Number
- CN202520669994.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Existing gas pipeline joints are prone to detachment due to torque after long-term use or external vibration, posing a safety hazard. Furthermore, impurities in the gas can easily damage the internal components of the water heater, leading to a reduced lifespan.
An insulating connector was designed, which adopts a male and female connector, filter, and sleeve structure. The first and second anti-rotation structures and the connecting ring ensure a stable connection between the male and female connectors and the sleeve. The filter is set in the passage to filter impurities. Stainless steel and plastic parts are used to enhance connection stability and insulation performance.
It achieves a stable connection under high torque, prevents gas leakage, and filters impurities through the filter element, protecting the internal components of the water heater and extending its lifespan.
Smart Images
Figure CN223909024U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pipeline joint technical field, more specifically relates to an insulating joint. BACKGROUND
[0002] The gas pipeline joint is the key component of connecting the gas pipeline, and its design, installation and maintenance are directly related to the safety and reliability of the gas system. The existing pipeline joint is connected with the pipeline on both sides through the thread respectively, and the insulating piece is usually used to separate the two end joints to prevent the transmission of static electricity. However, after long-term use or external vibration, the pipeline applies torque to the two end joints, which may cause the insulating piece to be torn or rotated relatively, resulting in the two end joints falling off from the insulating piece and causing gas leakage, which has a strong safety hazard. Moreover, when the gas pipeline is connected to the gas water heater, various impurities in the gas can easily damage the internal components of the water heater, reducing the service life of the water heater. Therefore, how to provide an insulating joint capable of providing large torque and filtering impurities is a problem to be solved by those skilled in the art. SUMMARY
[0003] Therefore, the utility model provides an insulating joint, which adopts the following technical scheme:
[0004] An insulating joint comprises a male head, a female head, a filter sheet and a sleeve. The male head is provided with an external thread at one end outside the joint, which is connected with the internal thread of one end of the gas pipeline. The female head is provided with an internal thread at one end inside the joint, which is connected with the external thread of one end of the gas pipeline. The filter sheet is arranged between the male head and the female head. The sleeve is used to connect the male head, the filter sheet and the female head in sequence. The male head, the female head and the sleeve are coaxially arranged, and the center of each is provided with a passage for gas flow. The filter sheet is arranged on the passage. The male head is provided with a first anti-rotation structure at one end away from the external thread, which is used to limit the radial position of the sleeve. The female head is provided with a second anti-rotation structure at one end away from the internal thread, which is used to limit the radial position of the sleeve.
[0005] Further, the external thread of the male head is arranged outside the sleeve, and one end away from the external thread and the middle segment are arranged inside the sleeve. The inner diameter from the middle segment to one end away from the external thread is larger than the thread inner diameter. The male head is provided with a plurality of first connecting rings on the outer side of the middle segment, which are used to be embedded and connected with the sleeve.
[0006] Further, the male head is provided with an annular groove on the inner wall of the middle segment, which is used to be connected with the sleeve.
[0007] Further, the female head is embedded in the sleeve; a plurality of second connecting rings are arranged outside the female head inner threaded section, used for embedded connection with the sleeve; an abutting ring is arranged on the inner side of the female head middle section, used for abutting the sleeve, and the inner diameter is smaller than the inner threaded section and the inner diameter of the end away from the inner threaded section, same as the passage diameter.
[0008] Further, the first anti-rotation structure includes six first anti-rotation units, which are evenly arranged on the male head along the passage center line in the circumferential direction; and the second anti-rotation structure includes six second anti-rotation units, which are evenly arranged on the female head along the passage center line in the circumferential direction.
[0009] Further, in the passage axis direction, the six first anti-rotation units on the male head are arranged in opposite intervals with the six second anti-rotation units on the female head.
[0010] Further, a plurality of annularly arranged through hole bands are evenly arranged in the middle part of the filter sheet, and a plurality of through holes are evenly arranged on the through hole bands, used for filtering impurities in the gas.
[0011] Further, the sleeve includes an outer shell, a first inner sleeve ring and a second inner sleeve ring; the first inner sleeve ring and the second inner sleeve ring are arranged inside the outer shell and are injection molded with the outer shell; the first inner sleeve ring is sleeved on the end of the male head away from the outer threaded section to the middle section, and the center inner diameter is same as the passage diameter, and the first inner sleeve ring is injection molded with the male head; the second inner sleeve ring is sleeved on the end of the female head away from the inner threaded section, and the center inner diameter is same as the passage inner diameter; a circular groove is arranged on the end of the second inner sleeve ring away from the female head, used for arranging the filter sheet; and the second inner sleeve ring is injection molded with the female head and the filter sheet.
[0012] The utility model discloses beneficial effect lies in:
[0013] The utility model discloses provide a kind of insulation joint, by the setting of first, second anti-rotation structure, can make male head and female head stable connection sleeve, avoid after connecting gas pipeline, radial rotation occurs due to the action of torque;And the setting of first connecting ring and annular groove can axial limit male head and sleeve, the setting of second connecting ring can axial limit female head and sleeve, can provide big torque so that connection is more stable, avoid the situation that male head and female head fall off lead to gas leakage. The setting of filter sheet can filter impurities in gas, avoid damaging the internal member of gas water heater, improve gas water heater life. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below only illustrate a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person of ordinary skill in the art without creative labor are within the protection scope of the present application.
[0015] Figure 1 It is a schematic view of the overall structure of the present application.
[0016] Figure 2 It is a bottom view of the present application.
[0017] Figure 3 It is a sectional view of the present application.
[0018] Figure 4 It is a schematic view of the structure of the filter disc of the present application.
[0019] Figure 5 It is a front view of the male head of the present application.
[0020] Figure 6 It is a bottom view of the male head of the present application.
[0021] Figure 7 It is a sectional view of the male head of the present application.
[0022] Figure 8 It is a front view of the female head of the present application.
[0023] Figure 9 It is a bottom view of the female head of the present application.
[0024] Figure 10 It is a sectional view of the female head of the present application.
[0025] In the drawings:
[0026] 1 - male head; 2 - female head; 3 - sleeve; 4 - filter disc; 5 - passage; 6 - first connecting ring; 7 - first anti-rotation unit; 8 - annular groove; 9 - abutting ring; 10 - second anti-rotation unit; 11 - second connecting ring; 31 - outer shell; 32 - first inner sleeve ring; 33 - second inner sleeve ring. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person of ordinary skill in the art without creative labor are within the protection scope of the present application.
[0028] Please refer to the accompanying drawings Figures 1-10 The utility model provides a kind of insulation joint, including male head 1, female head 2, filter sheet 4 and sleeve 3;The male head 1 is provided with a section of outer thread towards the outside of one end of joint, is connected with the one end inner thread of gas pipeline cooperation;The female head 2 is provided with a section of inner thread towards the inside of one end of joint, is connected with the one end outer thread of gas pipeline cooperation;The filter sheet 4 is arranged between the male head 1 and the female head 2;The sleeve 3 is used to connect the male head 1, filter sheet 4 and female head 2 in turn;The male head 1, female head 2 and sleeve 3 are coaxially arranged, and all are provided with passageway 5 in center, for gas flow, the filter sheet 4 is arranged on passageway, for filtering the impurity in gas.
[0029] The male head 1 outer thread section is placed in the outside of the sleeve 3, and the end away from outer thread section and middle section are placed in the inside of the sleeve 3, and from middle section to the end away from outer thread section, inner diameter expands, greater than thread inner diameter;The male head 1 middle section outside face is provided with multiple first connecting rings 6, for with the sleeve 3 inlaying connection, make male head 1 and sleeve 3 connection more firm;The male head 1 end away from outer thread section is fixedly provided with first anti-rotation structure, for with the sleeve 3 radial limit;The first anti-rotation structure includes six first anti-rotation units 7, on the male head 1 along the center line of the passageway 5 circumferentially evenly arranged;The setting of six first anti-rotation units 7 can avoid male head 1 and sleeve 3 relatively rotate due to the torque effect of gas pipeline.The male head 1 middle section inner wall is provided with annular groove 8, for with the sleeve 3 cooperation connection, further connect sleeve 3, so that axial connection is more firm.First anti-rotation unit 7 radial limit connects male head 1 and sleeve 3, and first connecting ring 6 and annular groove 8 are all axial limit and connect male head 1 and sleeve 3.
[0030] The female head 2 is inlaid in the sleeve 3;The female head 2 inner thread section outside is provided with multiple second connecting rings 11, for with the sleeve 3 inlaying connection, make female head 2 and sleeve 3 connection more firm;The female head 2 middle section inside is provided with abutting ring 9, for abutting the sleeve 3, inner diameter is less than inner thread section and end away from inner thread section inner diameter, same with the diameter of the passageway 5;The female head 2 end away from inner thread section is fixedly provided with second anti-rotation structure, for with the sleeve 3 radial limit;The second anti-rotation structure includes six second anti-rotation units 10, on the female head 2 along the center line of the passageway 5 circumferentially evenly arranged;The setting of six second anti-rotation units 10 can avoid female head 2 and sleeve 3 relatively rotate due to the torque effect of gas pipeline.Second anti-rotation unit 10 radial limit connects female head 2 and sleeve 3, and second connecting ring 11 axial limit connects female head 2 and sleeve 3.
[0031] Please refer to the accompanying drawings Figure 7 , 10In the axial direction of the passage 5, the six first anti-rotation units 7 on the male head 1 are oppositely arranged with the six second anti-rotation units 10 on the female head 2, so that relative rotation of the male head 1 and the female head 2 is avoided, and the connection is more stable.
[0032] The filter sheet 4 is uniformly provided with a plurality of annularly arranged through hole bands in the middle part, and a plurality of through holes are uniformly arranged on the through hole bands for filtering gas impurities.
[0033] The male head 1, the female head 2 and the filter sheet 4 are all made of stainless steel.
[0034] The sleeve 3 comprises an outer shell 31, a first inner sleeve ring 32 and a second inner sleeve ring 33; the first inner sleeve ring 32 is sleeved on the male head 1 from the end away from the outer threaded segment to the middle segment, the central inner diameter is the same as the diameter of the passage 5, the first inner sleeve ring 32 is integrally formed by injection molding and is injection molded with the male head 1; the second inner sleeve ring 33 is sleeved on the female head 2 from the end away from the inner threaded segment to the abutting ring 9, the central inner diameter is the same as the inner diameter of the passage 5; the end of the second inner sleeve ring 33 away from the female head 2 is provided with a circular groove for arranging the filter sheet 4; the second inner sleeve ring 33 is integrally formed by injection molding and is injection molded with the female head 2 and the filter sheet 4. The outer side surface of the outer shell 31 is provided in a hexagonal prism shape, the first inner sleeve ring 32 and the second inner sleeve ring 33 are arranged inside the outer shell 31 and are injection molded with the outer shell 31.
[0035] The sleeve 3 is made of plastic or other materials with insulation properties.
[0036] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the relevant parts are described in the method part.
[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application should not be limited to the embodiments shown herein, but should be consistent with the widest scope of principles and novel features disclosed herein.
Claims
1. An insulating joint, characterized by The utility model provides a filter joint, including male head (1), female head (2), filter sheet (4) and sleeve (3), male head (1) is provided with a section of outer thread outside one end of the joint outside, is connected with the cooperation of the inner thread of one end of gas pipeline, female head (2) is provided with a section of inner thread inside one end of the joint outside, is connected with the cooperation of the outer thread of one end of gas pipeline, filter sheet (4) is arranged between male head (1) and female head (2), sleeve (3) is used to connect male head (1), filter sheet (4) and female head (2) in proper order, male head (1), female head (2) and sleeve (3) are coaxial arrangement, all are provided with passageway (5) in the center for gas flow, filter sheet (4) is arranged on passageway (5), male head (1) is fixedly provided with first anti -rotation structure in the end away from the section of outer thread, is used for with the radial location of sleeve (3), female head (2) is fixedly provided with second anti -rotation structure in the end away from the section of inner thread, is used for with the radial location of sleeve (3).
2. An insulated joint according to claim 1, characterised in that The outer thread section of male head (1) is placed outside the sleeve (3), the middle section and the end away from the outer thread section are placed inside the sleeve (3), and the inner diameter from the middle section to the end away from the outer thread section is greater than the thread inner diameter.
3. An insulated joint as defined in claim 1, wherein The middle section of male head (1) is provided with a plurality of first connection rings (6) on the outer side, which are used for embedded connection with the sleeve (3).
4. An insulated joint as defined in claim 1, wherein The female head (2) is embedded in the sleeve (3); the female head (2) is provided with a plurality of second connection rings (11) on the outer side of the inner thread section, which are used for embedded connection with the sleeve (3); the female head (2) is provided with an abutting ring (9) on the inner side of the middle section, which is used for abutting the sleeve (3), and the inner diameter is smaller than the inner diameter of the inner thread section and the end away from the inner thread section, and is the same as the diameter of the passageway (5).
5. An insulated joint as defined in claim 1, wherein The first anti-rotation structure includes six first anti-rotation units (7) which are evenly arranged on the male head (1) along the center line of the passageway (5); the second anti-rotation structure includes six second anti-rotation units (10) which are evenly arranged on the female head (2) along the center line of the passageway (5).
6. An insulated joint according to claim 5, characterised in that In the axial direction of the passageway (5), the six first anti-rotation units (7) on the male head (1) are oppositely spaced from the six second anti-rotation units (10) on the female head (2).
7. An insulated joint as defined in claim 1, wherein The filter sheet (4) is evenly provided with a plurality of annularly arranged through hole bands in the middle part, and a plurality of through holes are evenly arranged on the through hole bands for filtering impurities in the gas.
8. An insulated joint as defined in claim 1, wherein The sleeve (3) comprises a shell (31), a first inner sleeve ring (32) and a second inner sleeve ring (33); the first inner sleeve ring (32) and the second inner sleeve ring (33) are arranged inside the shell (31) and are injection-molded with the shell (31); the first inner sleeve ring (32) is sleeved on the end of the male head (1) away from the outer threaded segment to the middle segment, the central inner diameter is the same as the diameter of the passage (5), and the first inner sleeve ring (32) is injection-molded with the male head (1); the second inner sleeve ring (33) is sleeved on the end of the female head (2) away from the inner threaded segment, and the central inner diameter is the same as the inner diameter of the passage (5); the end of the second inner sleeve ring (33) away from the female head (2) is provided with a circular groove for arranging the filter disc (4); and the second inner sleeve ring (33) is injection-molded with the female head (2) and the filter disc (4).